openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.
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/*
* This file is part of ACADO Toolkit.
*
* ACADO Toolkit -- A Toolkit for Automatic Control and Dynamic Optimization.
* Copyright (C) 2008-2014 by Boris Houska, Hans Joachim Ferreau,
* Milan Vukov, Rien Quirynen, KU Leuven.
* Developed within the Optimization in Engineering Center (OPTEC)
* under supervision of Moritz Diehl. All rights reserved.
*
* ACADO Toolkit is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* ACADO Toolkit is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with ACADO Toolkit; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
/**
* \file include/acado/clock/clock.hpp
* \author Hans Joachim Ferreau, Boris Houska
*/
#ifndef ACADO_TOOLKIT_CLOCK_HPP
#define ACADO_TOOLKIT_CLOCK_HPP
#include <acado/utils/acado_utils.hpp>
BEGIN_NAMESPACE_ACADO
/**
* \brief Base class for all kind of time measurements.
*
* \ingroup BasicDataStructures
*
* The class Clock serves as base class for all kind of time measurements,
* both real and simulated ones.
*
* \author Hans Joachim Ferreau, Boris Houska
*/
class Clock
{
//
// PUBLIC MEMBER FUNCTIONS:
//
public:
/** Default constructor.
*/
Clock( );
/** Copy constructor (deep copy).
*
* @param[in] rhs Right-hand side object.
*/
Clock( const Clock &rhs
);
/** Destructor.
*/
virtual ~Clock();
/** Assignment Operator (deep copy).
*
* @param[in] rhs Right-hand side object.
*/
Clock& operator=( const Clock &rhs
);
/** Clone constructor (deep copy).
*
* \return Pointer to deep copy of base class type
*/
virtual Clock* clone( ) const = 0;
/** Initializes the clock with given initial time.
*
* @param[in] _initialTime Initial time.
*
* \return SUCCESSFUL_RETURN
*/
virtual returnValue init( double _initialTime
);
/** Initializes the clock with initial time zero.
*
* \return SUCCESSFUL_RETURN
*/
virtual returnValue reset( );
/** Starts time measurement.
*
* \return SUCCESSFUL_RETURN, \n
* RET_CLOCK_NOT_READY, \n
* RET_NO_SYSTEM_TIME
*/
virtual returnValue start( ) = 0;
/** Shifts measured time by a given offset.
*
* @param[in] _timeShift Time offset.
*
* \return SUCCESSFUL_RETURN, \n
* RET_CLOCK_NOT_READY, \n
* RET_NO_SYSTEM_TIME
*/
virtual returnValue step( double _timeShift
) = 0;
/** Stops time measurement.
*
* \return SUCCESSFUL_RETURN, \n
* RET_CLOCK_NOT_READY, \n
* RET_NO_SYSTEM_TIME
*/
virtual returnValue stop ( ) = 0;
/** Returns elapsed time.
*
* @param[in] _elapsedTime Elapsed time.
*
* \return SUCCESSFUL_RETURN, \n
* RET_BLOCK_NOT_READY
*/
virtual returnValue getTime( double& _elapsedTime
);
/** Returns elapsed time.
*
* \return >= 0: elapsed time, \n
* -INFTY: internal error
*/
virtual double getTime( );
/** Returns current status of clock, see documentation of ClockStatus for details.
*
* \return Current status of clock
*/
inline ClockStatus getStatus( ) const;
//
// PROTECTED MEMBERS:
//
protected:
double elapsedTime; /**< Elapsed time since last reset. */
ClockStatus status; /**< Status of clock. */
};
CLOSE_NAMESPACE_ACADO
#include <acado/clock/clock.ipp>
// collect all remaining headers of clock directory
#include <acado/clock/real_clock.hpp>
#include <acado/clock/simulation_clock.hpp>
#endif // ACADO_TOOLKIT_CLOCK_HPP
/*
* end of file
*/